20653418

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1291}}^1$

素因数の和:1733

約数の個数: 16

約数和(自身を含む): 32713440

約数和(自身を除く): 12060022

約数列:

[1, 2, 19, 38, 421, 842, 1291, 2582, 7999, 15998, 24529, 49058, 543511, 1087022, 10326709, 20653418]

約数ペア:

[(1, 20653418), (2, 10326709), (19, 1087022), (38, 543511), (421, 49058), (842, 24529), (1291, 15998), (2582, 7999)]